If You Hire Gnowsky to Act as Your Agent, Which

If you hire Gnowsky to act as your agent, which of the following is true with regard to the duties which he owes to you?

A) An agent may delegate his authority without the authorization of his principal.
B) His failure to obey you and to act within the authority given him would allow you to sue him for breach of contract.
C) Gnowsky need not use reasonable care, skill, and diligence in his service to you.
D) Gnowsky need not tell you everything relevant to his task that a reasonable person would consider might affect your decision making.
E) Even when Gnowsky is acting as your agent, he need not put your interest above his own.